As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - FLIGHT 2507 - CAPTAIN'S CHART HOLDER LIGHT SPARKED AND POPPED THE CIRCUIT BREAKER. MAINTENANCE TIGHTENED THE SCREWS AND APPLIED LOCKTITE AND ISOLATED THE SCREW HEADS WITH NO CONDUCTIVE TAPE. OPERATIONALS CHECKS GOOD, AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.